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OSG Extension Tap: M4.5x0.5 Metric, D3 / 4H-6H, 3 Flute - Spiral-Flute Extension Taps for Multiple Materials
OSGSpiral-Flute Extension Taps for Multiple Materials

OSG Extension Tap: M4.5x0.5 Metric, D3 / 4H-6H, 3 Flute

The OSG Extension Tap is a spiral-flute extension tap for multiple materials, with an M4.5x0.5 metric thread. It features a D3 / 4H-6H tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1652001808).

SKU 3G-OTH-311749

Brand
OSG
Item
Extension Tap: M4.5x0.5 Metric, D3 / 4H-6H, 3 Flute
Category
Spiral-Flute Extension Taps for Multiple Materials
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Technical Specifications

OSG
Manufacturer Part Number
1652001808
Type
D3 / 4H-6H, Modified Bottoming Chamfer
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Extension Tap is a spiral-flute extension tap for multiple materials, with an M4.5x0.5 metric thread. It features a D3 / 4H-6H tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1652001808).

Frequently Asked Questions

What is the OSG Extension Tap M4.5x0.5 used for?

The OSG Extension Tap M4.5x0.5 is used for threading blind or deep holes in multiple materials, including steel, stainless steel, and aluminum. Its spiral-flute design evacuates chips upward, preventing clogging, while the modified bottoming chamfer allows threading close to the hole bottom. 3G Electric supplies this tap for worldwide industrial applications.

What are the specifications of the OSG Extension Tap M4.5x0.5?

The OSG Extension Tap has a metric thread size of M4.5x0.5, a tolerance class of D3 / 4H-6H, 3 flutes, and a modified bottoming chamfer. The manufacturer part number is 1652001808. It is designed for threading multiple materials and is available to order through 3G Electric.

Where to buy the OSG Extension Tap M4.5x0.5 worldwide?

You can source the OSG Extension Tap M4.5x0.5 from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide this tap as part of our extensive sourcing network.

How to select the correct OSG Extension Tap for deep hole threading?

To select the correct OSG Extension Tap, match the thread size (M4.5x0.5) and tolerance class (D3 / 4H-6H) to your application. For deep holes, choose a spiral-flute design with a modified bottoming chamfer to clear chips and thread near the bottom. 3G Electric can help verify compatibility for your material and machine setup.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts

OSG Products

3G Electric supplies OSG spiral-flute extension taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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